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    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("611390084401d92d88b9d9cc"),
    "questions_id": ObjectId("610e48ef0fb53d48ec79eb8a"),
    "test_id": ObjectId("610c948b9809f147bc108159"),
    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("611390084401d92d88b9d9d8"),
    "questions_id": ObjectId("610e49130fb53d48ec79eb8d"),
    "test_id": ObjectId("610c948b9809f147bc108159"),
    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6113900a4401d92d88b9d9e4"),
    "questions_id": ObjectId("610e49270fb53d48ec79eb90"),
    "test_id": ObjectId("610c948b9809f147bc108159"),
    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6113900b4401d92d88b9d9f0"),
    "questions_id": ObjectId("610e494c0fb53d48ec79eb96"),
    "test_id": ObjectId("610c948b9809f147bc108159"),
    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6113900c4401d92d88b9d9fc"),
    "questions_id": ObjectId("610e49680fb53d48ec79eb99"),
    "test_id": ObjectId("610c948b9809f147bc108159"),
    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6113900d4401d92d88b9da09"),
    "questions_id": ObjectId("610e49790fb53d48ec79eb9c"),
    "test_id": ObjectId("610c948b9809f147bc108159"),
    "user_answer": "3",
    "user_id": ObjectId("61138ed14401d92d88b9d8e9")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6114deed4401d92d88b9dc31"),
    "questions_id": ObjectId("610e499b0fb53d48ec79eba2"),
    "test_id": ObjectId("610c94ad9809f147bc10815c"),
    "user_answer": "1",
    "user_id": ObjectId("610a2fd8d8e4580eccb51123")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6114deff4401d92d88b9dc47"),
    "questions_id": ObjectId("610e49de0fb53d48ec79ebb4"),
    "test_id": ObjectId("610c94ad9809f147bc10815c"),
    "user_answer": "1",
    "user_id": ObjectId("610a2fd8d8e4580eccb51123")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6114df024401d92d88b9dc53"),
    "questions_id": ObjectId("610e49fb0fb53d48ec79ebbd"),
    "test_id": ObjectId("610c94ad9809f147bc10815c"),
    "user_answer": "2",
    "user_id": ObjectId("610a2fd8d8e4580eccb51123")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6114df044401d92d88b9dc5f"),
    "questions_id": ObjectId("610e4a160fb53d48ec79ebc6"),
    "test_id": ObjectId("610c94ad9809f147bc10815c"),
    "user_answer": "1",
    "user_id": ObjectId("610a2fd8d8e4580eccb51123")
} );
db.getCollection("completedQuestions").insert( {
    _id: ObjectId("6114df064401d92d88b9dc70"),
    "questions_id": ObjectId("610e49b60fb53d48ec79ebab"),
    "test_id": ObjectId("610c94ad9809f147bc10815c"),
    "user_answer": "1",
    "user_id": ObjectId("610a2fd8d8e4580eccb51123")
} );
